The Cleavage of Adenosine Triphosphate (ATP) to Adenosine Monophosphate (AMP)

question 1

Multiple Choice

The cleavage of adenosine triphosphate (ATP) to adenosine monophosphate (AMP) + pyrophosphate is said to supply more energy than the cleavage of ATP to ADP + phosphate.Why?

• A)ATP → ADP + phosphate cleaves a phosphoanhydride bond, and ATP → AMP + pyrophosphate cleaves a phosphodiester bond.
• B)The cleavage to AMP and pyrophosphate is followed by the degradation of AMP by adenosine deaminase.
• C)The cleavage to AMP and pyrophosphate is followed by the degradation of pyrophosphate.
• D)ATP → ADP + phosphate cleaves a phosphoanhydride bond, and ATP → AMP + pyrophosphate cleaves a phosphate ester bond.
• E)ATP → ADP + phosphate cleaves a phosphate ester bond, and ATP → AMP + pyrophosphate cleaves a phosphoanhydride bond.

---

Definitions:

New HIV Infections

Recently diagnosed cases of the Human Immunodeficiency Virus, which attacks the immune system and can lead to Acquired Immunodeficiency Syndrome (AIDS) if not treated.

WHO

The World Health Organization, a specialized agency of the United Nations responsible for international public health.

UNAIDS

The Joint United Nations Programme on HIV and AIDS, an organization that leads and inspires the world in achieving universal access to HIV prevention, treatment, care, and support.

Unprotected Anal Sex

Anal intercourse without the use of a condom or other barrier method, increasing the risk of transmitting or acquiring sexually transmitted infections (STIs).